On 8/9/26 3:41 PM, Michael S. Tsirkin wrote: > On Sun, Aug 09, 2026 at 06:20:10PM +0000, Alexander Graf wrote: >> A device's pool is shared by every virtqueue it has and nothing >> partitions it between them, so a virtqueue that asks late can get >> nothing at all. virtnet_open() pre-fills the receive queues in index >> order and discards the result, and a queue that came up with nothing is >> one the device cannot signal a completion on. >> >> Withhold a range of the pool from ordinary claims and let a virtqueue >> whose ring is empty draw on it for one descriptor chain. > Why bother? one chain can just go inline in the ring.
https://people.kernel.org/tglx/notes-about-netiquette or https://subspace.kernel.org/etiquette.html It would be good if 100s (or 1000s) or people didn't need to scan a 65 KB email to see that most of it can be ignored. -- ~Randy
